<?php

declare(strict_types=1);

/*
 * CoreShop
 *
 * This source file is available under the terms of the
 * CoreShop Commercial License (CCL)
 * Full copyright and license information is available in
 * LICENSE.md which is distributed with this source code.
 *
 * @copyright  Copyright (c) CoreShop GmbH (https://www.coreshop.com)
 * @license    CoreShop Commercial License (CCL)
 *
 */

namespace CoreShop\Bundle\IndexBundle\EventListener;

use CoreShop\Bundle\ResourceBundle\Event\ResourceControllerEvent;
use CoreShop\Component\Index\Model\IndexInterface;
use CoreShop\Component\Index\Worker\WorkerInterface;
use CoreShop\Component\Registry\ServiceRegistryInterface;
use Webmozart\Assert\Assert;

final class DeleteIndexListener
{
    public function __construct(
        private ServiceRegistryInterface $workerServiceRegistry,
    ) {
    }

    public function onIndexDeletePre(ResourceControllerEvent $event): void
    {
        $resource = $event->getSubject();

        Assert::isInstanceOf($resource, IndexInterface::class);

        $workerType = $resource->getWorker();

        // do not throw an exception since the worker field could be empty!
        if (!$this->workerServiceRegistry->has($workerType)) {
            return;
        }

        /**
         * @var WorkerInterface $worker
         */
        $worker = $this->workerServiceRegistry->get($workerType);
        $worker->deleteIndexStructures($resource);
    }
}
